Classify the input using one of these labels: neutral, positive, and negative. @united Hi if a premium ec upgrade was paid for &amp; then a mileage BF upgrade done is the prem Eco upgrade fare refunded?
system
Classify the input using one of these labels: neutral, positive, and negative. @united Hi if a premium ec upgrade was paid for &amp; then a mileage BF upgrade done is the prem Eco upgrade fare refunded?
user
neutral
assistant
system
Classify the input using one of these labels: neutral, positive, and negative. @united Hi if a premium ec upgrade was paid for &amp; then a mileage BF upgrade done is the prem Eco upgrade fare refunded?
user
negative
assistant